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- W376787546 abstract "Catalyst and reaction conditions were studied for the formation of α-picoline alone in larger yields by the synthetic preparation of pyridine bases from acetylene and ammonia. The best catalyst was found to be cadmium phosphate. The use of known catalysts, such as CdO, ZnO, Al2O3 and Cr2O3, results in the increased formation of acetonitrile as the reaction temperature increases, with attendant decrease of pyridine bases. Cadmium phosphate is not easily affected by temperature, and selectively gives a larger yield of α-picoline fraction. For example, using a catalyst of cadmium phosphate and Fuller's earth, at a temperature of 300°, approximately one-half of the fractional distillate of the condensation product is α-picoline, and only a very small amount of acetonitrile portion is obtained. There is no marked increase of acetonitrile even at a temperature between 350 to 400°." @default.
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- W376787546 date "1952-01-01" @default.
- W376787546 modified "2023-09-23" @default.
- W376787546 title "Studies on the Condensation of Acetylene with Ammonia. III" @default.
- W376787546 doi "https://doi.org/10.1248/yakushi1947.72.5_711" @default.
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